脚抽筋是什么原因引起的
百度 黄毅清发文暗讽黄奕：说一件真实经历：记得以前有一次看到某人因为电影宣传需要，到浙江去秋瑾纪念碑悼念，然后在媒体的镜头前，竟然说着革命先驱说着说着哽咽飙泪了……感觉像是她亲人去世一样，令我震惊不已……之后一次我私下问她为啥说起一个自己了都没见过的人可以伤心流泪的？她很得意的说了一句：这叫收放自如。
Proof-golf is a competition to prove a particular theorem/statement using the fewest number of substitutions/steps given a set of axioms.
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The Parable of the Dagger Prelude
Taken from lesswrong.com
Once upon a time, there was a court jester who dabbled in logic.
The jester presented the king with two boxes. Upon the first box was
inscribed:
"Either this box ...
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